The antonyms for the word "out world" are "in world" or "interior world." These terms imply an internal state of being or a state of being within oneself, rather than a state of being outside of oneself or disconnected from the world. In world can also imply an understanding of reality or a sense of being grounded in the present moment. Interior world suggests a quiet and reflective state, a place of introspection and self-awareness. These antonyms provide a contrasting perspective to the concept of out world, highlighting the importance of inner growth and self-awareness in achieving a deeper understanding of our place in the world.